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UCS2113 데이터시트(PDF) 33 Page - Microchip Technology

부품명 UCS2113
상세설명  USB Dual-Port Power Switch and Current Monitor
PDF  62 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

UCS2113 데이터시트(HTML) 33 Page - Microchip Technology

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 2016-2021 Microchip Technology Inc. and its subsidiaries
DS20005680B-page 33
UCS2113
8.1
Current Measurement Register
The Current Measurement register stores the
measured current value delivered to the portable
device (IBUS). This value is updated continuously while
the device is in the Active power state.
21h
Port 2 Charge Rationing
Threshold Low Byte
R/W
Sets the maximum allowed charge that will
be delivered to Port 2
FFh
48
22h
Ration Configuration
R/W
Controls Charge Ration Functionality
11h
49
23h
Port 1 Current Limit Behavior R/W
Controls the Current Limiting Behavior (CC
Mode Region 2) for Port 1
96h
50
24h
Port 2 Current Limit Behavior R/W
Controls the Current Limiting Behavior (CC
Mode Region 2) for Port 2
96h
50
FDh
Product ID
R
Stores a fixed value that identifies each
product
E1h
51
FEh
Manufacturer ID
R
Stores a fixed value that identifies Microchip
5Dh
51
FFh
Revision
R
Stores a fixed value that represents the
revision number
81h
52
TABLE 8-1:
REGISTER SET IN HEXADECIMAL ORDER (CONTINUED)
Register
Address
Register Name
R/W
Function
Default
Value
Page
No.
REGISTER 8-1:
PORTS 1 AND 2 CURRENT MEASUREMENT REGISTERS
(ADDRESSES 00H, 01H)
R-0
R-0
R-0
R-0
R-0
R-0
R-0
R-0
CM(x)<7:0>
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-0
CM(x)<7:0>: Port X Current Measurement, where x=1 or 2 (address 00h for Port 1 and address 01h for
Port 2).
Note 1: The bit weights are in mA,1 LSB = 13.3 mA (maximum value is 255 LSB corresponding to 3.4A).
2: This data will be cleared when the device enters the Sleep state. This data will also be cleared whenever
the port power switch is turned off (or any time that VBUS is discharged).



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